21989944

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{12109}}^1$

素因数の和:12342

約数の個数: 16

約数和(自身を含む): 41416200

約数和(自身を除く): 19426256

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 12109, 24218, 48436, 96872, 2748743, 5497486, 10994972, 21989944]

約数ペア:

[(1, 21989944), (2, 10994972), (4, 5497486), (8, 2748743), (227, 96872), (454, 48436), (908, 24218), (1816, 12109)]